30 results about "Function blood" patented technology

A medical imaging system adaptively acquires anatomical images. The system includes a synchronization processor for providing a heart rate related synchronization signal derived from a patient cardiac function blood flow related parameter. The synchronization signal enables adaptive variation in timing of acquisition within successive heart cycles of each individual image frame of multiple sequential image frames. An image acquisition device initiates acquisition of anatomical images of a portion of patient anatomy in response to the synchronization signal. A display processor presents images, acquired by the acquisition device and synchronized with the synchronization signal, to a user on a reproduction device. The image acquisition device adaptively selects image pixel resolution of individual image frames of the multiple sequential image frames in response to data identifying a heart cycle segment so that successively acquired image frames have different image pixel resolution within a single heart cycle.

An ultrasound image acquisition device initiates acquisition of anatomical images of a portion of patient anatomy in response to a heart rate related synchronization signal. The ultrasound image acquisition device includes multiple ultrasound transducers for generating sound waves. The ultrasound transducers are arranged in different transducer groups oriented to enable acquisition of different ultrasound imaging information used in generating a single composite ultrasound image. A synchronization processor derives the heart rate related synchronization signal from a patient cardiac function blood flow related parameter. The synchronization signal enables adaptive activation of a particular group of the different transducer groups for acquisition of ultrasound imaging information used in generating the single composite ultrasound image. A display processor presents the single composite ultrasound image, acquired by the ultrasound image acquisition device, to a user on a reproduction device.

The invention relates to a tissue engineering vessel and a preparation method and an application thereof. The tissue engineering vessel uses a tubular gelatin/polycaprolactone electricity texture membrane as a support, and smooth muscle cells are evenly distributed in the support. The preparation method includes: a) spreading disinfected gelatin/polycaprolactone materials in a culture dish; b) collecting umbilical artery smooth muscle cells, evenly inoculating the umbilical artery smooth muscle cells on the surface of the gelatin/polycaprolactone electricity texture membrane to culture over the night, and forming a cell material composite electricity texture membrane; and c) twisting the cell material composite electricity texture membrane on a polyvinyl chloride (PVC) tube for culturing, and finally forming the tubular tissue engineering vessel. Cells of the tissue engineering vessel prepared by the method are evenly distributed, simultaneously the tissue engineering vessel has the advantages of being good in elasticity, moderate in hardness and compact in tissue structure, having smooth inner walls and abundant collagenous fibers, and being clear in self tissue boundary and the like. The characteristics of the tissue engineering vessel are close to that of living body vessels.

The invention provides a multifunctional thrombus treatment device and a using method thereof.The multifunctional thrombus treatment device comprises a guide wire, a variable-diameter thrombus extraction support, a fixing catheter and a recycling catheter, the density of a far-end net part of the variable-diameter thrombus extraction support is large, so that escaped small thrombus can be caught, and the thrombus can be recycled. A sliding opening is formed in the far end of the variable-diameter thrombus extraction support and sleeves the guide wire, the near end of the variable-diameter thrombus extraction support is connected with the far end of the fixed catheter, the diameter of the variable-diameter thrombus extraction support can be adjusted by adjusting the positions of the guide wire and the fixed catheter, and thrombus of different sizes in a blood vessel can be fully captured; the recycling catheter is arranged on the outer wall of the fixed catheter in a sleeving mode and can be used for containing the variable-diameter thrombus taking support, thrombus can be captured and netted to the maximum extent by repeatedly changing the diameter of the variable-diameter thrombus taking support, and large thrombus difficult to capture can be captured after being dissolved and reduced in advance through the fixed catheter and the recycling catheter. And various treatment methods such as thrombolysis, thrombus extraction and net thrombus can be completed at the same time.

The invention discloses a preparation method of a multifunctional intravascular stent. The preparation method comprises the following steps: firstly, preparing a dopamine coating on the surface of theintravascular stent through dopamine autopolymerization; then loading heparin into the chitosan functionalized graphene oxide, and further fixing the heparin-loaded graphene oxide on the surface of the intravascular stent with the dopamine coating to obtain the heparin-loaded intravascular stent; finally, immersing the intravascular stent in a rapamycin solution to fully adsorb and load rapamycin, and obtaining the multifunctional intravascular stent. Due to the antibacterial effect and the endothelial cell growth promoting effect of chitosan, the anticoagulation effect and the selective endothelial cell growth promoting effect of heparin and the anti-hyperplasia effect of rapamycin, the intravascular stent prepared through the method can inhibit clinical complications of stent implantation from multiple ways, and therefore the application effect of the intravascular stent is improved.

The invention discloses a multifunctional blood oxygen probe. The multifunctional blood oxygen probe comprises a probe body; the right side of the top of the probe body is electrically connected with an electric wire; a detector body is electrically connected to the top of the electric wire; the left side of the surface of the probe body is sleeved with a first frame sleeve, and the front side and the rear side of the right side of the first frame sleeve are both fixedly connected with insertion blocks; the right side of the surface of the probe body is sleeved with a second frame sleeve; the right sides of the insertion blocks penetrate into the second frame sleeve; clamping rods are arranged on the front side and the rear side of the second frame sleeve in a penetrating mode; the inner sides of the clamping rods penetrate into the insertion blocks; sliding blocks are slidably connected to the front side and the rear side of the second frame sleeve; and the outer sides of the sliding blocks are fixedly connected with a baffle. According to the multifunctional blood oxygen probe, the multifunctional effect can be achieved, and the problems that an existing blood oxygen probe is relatively single in function, inconvenience of different degrees can occur during detection, and the convenience of a user and the detection accuracy are affected are solved.

The invention belongs to the technical field of food processing, and discloses nutritional pig blood tofu and a preparation method thereof, and the preparation method comprises the following steps: uniformly dispersing cellulose ether in water, then uniformly mixing the cellulose ether with anticoagulant pig blood, adding a coagulant, standing for 5-15 minutes for solidification, and then freezing at-20 DEG C for 12-24 hours to obtain the pig blood tofu, wherein the anticoagulant pig blood is prepared by the following steps: uniformly dispersing an anticoagulant in fresh pig blood, filtering, and carrying out ultrasonic treatment on the filtrate for 2-3 minutes under the ultrasonic power of 200-500w, so as to obtain the anticoagulant pig blood. The pig blood tofu is prepared by adopting an ultrasonic technology and adding cellulose ether, so that erythrocyte walls in the pig blood tofu are broken, heme iron is released, the content of free heme iron which can be utilized by a human body is increased, and the multi-nutrition functional blood tofu which is high in iron utilization rate and has potential physiological functions of resisting oxidation, reducing blood sugar, reducing blood fat and the like is formed; the nutritional value of the pig blood bean curd is greatly improved.

The present invention relates to a bifunctional angiogenesis inhibitor having VEGF inhibitory activities and FGF inhibitory activities and capable of inhibiting VEGF and FGF dual factors or high sugar-induced cell proliferation, cell migration and/or lumen formation. The present invention also relates to use of the bifunctional vascular inhibitor for inhibiting retinal angiogenesis, such as diabetic retinopathy, age-related macular degeneration.

The invention discloses a multifunctional anastomat for vascular surgery, and belongs to the field of medical auxiliary instruments, the multifunctional anastomat comprises an anastomosis fixing seat and a supporting ring, a fixing seat overturning groove is formed in the center of the upper end of the anastomosis fixing seat, and a supporting ring penetrating groove is formed in the center of the bottom of the fixing seat overturning groove; the bottom of the supporting ring penetrating groove is obliquely arranged towards the side face of the anastomosis fixing base in a penetrating mode, the first end of the supporting ring is fixedly connected to the side, opposite to the bottom of the supporting ring penetrating groove, of the anastomosis fixing base, the two sides of a blood vessel wound are fixed through a wound fixing base on the anastomosis fixing base, and then the inner wall of a blood vessel is supported through the supporting ring. By means of the installation mode of firstly fixing and then supporting, it is guaranteed that a blood vessel wound is fixed in a contraction state, fixing is firmer, the circulation area in the blood vessel is guaranteed, normal circulation of blood in the blood vessel at the wound position during healing is guaranteed, the device can adapt to the high-pressure working environment of the blood vessel, and the requirement for suture repair of the axial wound of the blood vessel wall is met.

The invention discloses a multifunctional blood glucose measurement package. The measurement package includes a package body provided with a cavity inside; a cotton swab with double wiping heads, blood glucose test paper and a blood glucose needle are arranged in the cavity; the cotton swab includes a straight rod part, and a wiping head I and wiping heads II located on the two ends of the straight rod part; a cavity respectively communicating with the two wiping heads II is arranged in the straight rod part, and filed with alcohol; the connecting parts of the straight rod part and the wipingheads II are provided with creases for breaking; the end part of the package body is provided with a serrated easy-to-tear edge; and the outside of the package body is provided with a scanning two-dimensional code, and the package body is made of a transparent material. The measurement package is strong in functionality and can be widely applied to the field of auxiliary equipment for blood glucose measurement.

The invention discloses a FibroTouch-based non-alcoholic fatty liver disease rat model and manufacturing and detecting methods. The FibroTouch-based non-alcoholic fatty liver disease rat model comprises a plurality of mature rat individuals, and is characterized in that the selected rat individuals are bred in the same batch and have the same breeding condition, the body lengths and the body weights of the selected rat individuals are roughly the same, the selected rat individuals are healthy and free of diseases, the conversion coefficient of the body weight coefficient is 0.018, the body weight coefficient is equal to (Kg)/height (m) 2), the conversion coefficient is equal to (the body weight coefficient of the rat individuals/the body weight coefficient of the adult group), and the selected rat individuals are grouped according to male and female. According to theFibroTouch-based non-alcoholic fatty liver disease rat model and the manufacturing and detecting methods provided by the invention, the LSM and UAP values of an NAFLD patient are detected through Fibrotouch, and indexes such as liver function, blood fat and blood sugar, BMI and the like are combined, so that the liver fibrosis and lipolysis lesion degrees of the NAFLD patient are more accurately judged, the positive intervention of disease progression is facilitated, and the application value is obvious in clinic use.

A system and method for monitoring the blood pressure of a patient that allows for a device sensor to be recalibrated according to atmospheric pressure without removing the device sensor from inside the patient. This permits quickly monitoring the blood pressure of a patient if a re-zero is needed. The invention has a blood pressure monitor (BPM) that obtains an atmospheric pressure observation. The atmospheric pressure observation is adjusted and stored to memory as a zero value. The zero value is retrieved to recalibrate the system and method if a device sensor has been disconnected from and reconnected to the same or a different BPM, the patient has been moved such that the surroundings have been altered to make it necessary to recalibrate according to atmospheric pressure, and/or the device sensor has been connected to a different patient care monitor.

The invention discloses a multifunctional blood vessel cleaning robot. The robot comprises a control center, an imager, a manipulator, a recovery instrument, a protection device, an alarm device and the like. The control center is responsible for information receiving, information processing and instruction generation and sending. The imager determines the focus position, the shape and the blood vessel size and sends the information to the control center. A manipulator is the core technology of the invention and mainly comprises a manipulator, a mechanical arm and a power sensing device. A conical cutting knife is arranged in the mechanical arm, and thrombus cutting work is completed by receiving an instruction of the control center. The power sensing device is used for guaranteeing normalwork of thrombus cutting of the manipulator. The recovery instrument is responsible for recovering thrombus residues left in blood vessels after cutting. The protection device is installed outside the cutting knife, thrombus is directly cut off on the premise that the cutting knife does not make contact with blood vessels, and the alarm device is used for giving an alarm in time when the mechanical arm works abnormally to prevent the blood vessels from being damaged. The invention belongs to the minimally invasive technology, and has the advantages of short rehabilitation period and no need of adjuvant therapy.

The invention discloses a membrane separation-perfusion coupled blood purification apparatus. The membrane separation-perfusion coupled blood purification apparatus comprises a blood inlet end, a blood outlet end, a pre-flushing liquid outlet end, a pre-flushing liquid inlet end, a plasma separation unit shell, a plasma separation membrane assembly, an inlet and outlet filtering device, a plasma perfusion unit shell, plasma perfusion adsorption resin, a primary filtering device, a secondary filtering device and an upper end cover. The core of the plasma separation unit is a plasma separation membrane, and the core of the plasma perfusion unit is plasma perfusion adsorption resin. The apparatus integrates the functions of plasma separation and plasma perfusion; after plasma separation, plasma perfusion adsorption is carried out to remove target toxins, so operation process is simplified while the safety and effectiveness of blood purification are improved, the risks of blood loss and bacterial infection caused by operation are prevented, and the treatment cost is greatly reduced; and the two functions do not need to be connected through an extracorporeal circulation pipeline, so anextracorporeal circulation blood volume is reduced, and the risks of complications such as hypotension are reduced.